Emerson OCX 8800, Инструкция по эксплуатации

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Instruction Manual
IM-106-880, Rev 1.0
January 2007
OCX 8800
6-4
OPERATOR - INITIATED
AUTOCALIBRATION
An operator can initiate an automatic calibration at any time provided that the
unit is equipped with calibration solenoids.
Autocalibration using the LOI
To initiate a calibration using the LOI, perform the following steps on the LOI
menu tree. Refer to Section 4, Using the LOI, for the LOI menu tree.
1. From the CALIBRATION menu, use the right-pointing arrow to select
the Cal Control menu.
2. Select Start Cal-O2 , Start Cal COe , or Start Cal Both to start the
calibration. Select Cal Verify to access the calibration window.
3. At the prompt, use the right-pointing arrow to initiate automatic
calibration.
Autocalibration using HART
To initiate an automatic calibration using HART/AMS, perform the following
steps on the HART menu tree. Refer to Section 5, Using HART
Communications, for the HART menu tree.
1. Select DIAG/SERVICE from DEVICE SETUP menu.
2. Select CALIBRATE from the DIAG/SERVICE menu.
3. Select PERFORM CAL from the CALIBRATE menu.
4. Select CAL METHODS from the PERFORM CAL menu.
5. From the CAL METHODS menu, select the type of calibration desired:
O2 Calibration , COe Calibration , or O2 and COe Calibration .
MANUAL CALIBRATION
If a unit is not equipped with calibration solenoids, a calibration must be
performed by an operator following prompts from the unit. Refer to the
following paragraphs for manual calibration.
Manual Calibration using the LOI
Use the following procedure to perform a manual calibration with the LOI. If
necessary, refer to the menu tree in Section 4, Using the LOI. Once the
manual calibration procedure is initiated at the LOI, a series of prompts will
appear giving instructions to the operator.
1. Use the right-pointing key to select the CALIBRATION first column
submenu.
2. From the CALIBRATION submenu use the right-pointing key to select
the Cal Control second column submenu.
3. From the Cal Control submenu use the right-pointing key to select the
third column Start Cal O2 option.
4. Remain at the Start Cal O2 option or use the down-pointing key to
select the Start Cal COe option or Start Cal Both option. (The following
sequence applies when Start Cal Both is selected.)
5. Use the right-pointing key to start the calibration. Turn on the low O
2
test
gas, when prompted by the Flow Low Gas message.
6. Press the right-pointing key when the low O
2
test gas is applied. The
calibration data changes as the calibration proceeds.